2. MAKING IT OFFICIAL

Confirming the world's worst kept secret, The Wanted's Nathan Sykes and songstress Ariana Grande admitted to being in a relationship via their respective Twitter accounts on Sept. 24. "So, I guess it's obvious now ... thanks to everyone who is being so lovely. I'm so happy," Sykes wrote, hashtagging his Tweet "butweareterrified" and "pleasedontkillme."